old Subitizing Tools

Deck o’ Dots is a versatile deck of cards and game boards specifically designed without digits to help children subitize.

This digital download includes a five frame mat, mini five frame cards, and a five frame template.

This download includes a ten frame mat, a double ten frame mat, a ten frame template and ten frame mini cards.

A collection of subitzing mats - five frame (horizontal and vertical), ten frame, double ten frame, and a scatter mat.

Subitizing, recognizing the number of objects in a group without having to count the objects, is a fundamental building block for developing number sense.

Use for exploring number concepts and for developing basic math skills in counting, addition, and subtraction.

Designed to teach basic math skills. Ideal for counting activities and demonstrating addition and subtraction.

Free math virtual manipulatives to use with any whiteboard bring math to life - includes category of tools for number sense for each grade K-8.

Number Rack facilitates the natural development of children’s number sense. Available as iOS app and Android app.

The four games that can be played with this applet help to develop counting and addition skills.

The four games that can be played with this applet help to develop counting and addition skills.

“10 Frame Fill” provides children practice with recognizing additive “10 Families” (e.g., 1 and 9, 2 and 8, etc.).